11236195872 has 144 divisors (see below), whose sum is σ = 35378677152. Its totient is φ = 3354024960.

The previous prime is 11236195811. The next prime is 11236195879. The reversal of 11236195872 is 27859163211.

11236195872 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 61 + 9 + 587 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (11236195879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185788 + ... + 238724.

It is an arithmetic number, because the mean of its divisors is an integer number (245685258).

Almost surely, 2^11236195872 is an apocalyptic number.

11236195872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11236195872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17689338576).

11236195872 is an abundant number, since it is smaller than the sum of its proper divisors (24142481280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11236195872 is a wasteful number, since it uses less digits than its factorization.

11236195872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53031 (or 53020 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 11236195872 in words is "eleven billion, two hundred thirty-six million, one hundred ninety-five thousand, eight hundred seventy-two".